use std::sync::{Arc, Mutex, RwLock};
use std::thread;
use std::collections::HashMap;
use std::time::Duration;
use log::{info, error, debug};
use rand::random;

use crate::config::DesktopEnvironmentConfig;
use crate::kuikly_service::KuiklyService;
use crate::ipc_service::IPCService;
use crate::layer_manager::LayerManager;
use crate::app_registry::AppRegistry;


// 应用程序信息结构体#[derive(Clone, Debug)]pub struct AppInfo {
    pub app_id: String,
    pub name: String,
    pub icon_path: String,
    pub executable_path: String,
    pub description: String,
    pub category: String,
}

// 运行中的应用程序#[derive(Clone, Debug)]pub struct RunningApp {
    pub app_id: String,
    pub app_info: AppInfo,
    pub window_id: u64,
    pub state: AppState,
    pub process_id: Option<u32>,
}

// Dock项类型枚举#[derive(Clone, Debug)]pub enum DockItemType {
    App(String),
    WorkspaceSwitcher,
    Trash,
}

// Dock项结构体#[derive(Clone, Debug)]pub struct DockItem {
    pub item_type: DockItemType,
    pub position: u32,
    pub visible: bool,
    pub hovered: bool,
}

// 应用程序状态枚举#[derive(Clone, Debug, PartialEq)]pub enum AppState {
    Running,
    Stopped,
    Crashed,
}

// 桌面环境错误类型#[derive(Debug)]pub enum DesktopEnvironmentError {
    InitializationFailed,
    OperationFailed,
    AppNotFound,
    AppAlreadyRunning,
    IPCError(IPCError),
    KuiklyError(String),
    ThreadError(String),
}

// 图层管理器（简化版）pub struct LayerManager {
    // 在实际实现中，这里会包含图层信息和渲染逻辑
    // 但为了简化，我们只需要记录图层的存在
    pub layers: Vec<String>,
}

impl LayerManager {
    pub fn new() -> Self {
        Self {
            layers: Vec::new(),
        }
    }

    pub fn add_layer(&mut self, layer_name: &str) {
        self.layers.push(layer_name.to_string());
        info!("Added layer: {}", layer_name);
    }
}

// 桌面环境结构体#[derive(Clone)]pub struct DesktopEnvironment {
    pub initialized: bool,
    pub running: bool,
    pub config: Arc<RwLock<DesktopEnvironmentConfig>>,
    pub app_registry: Arc<RwLock<HashMap<String, AppInfo>>>,
    pub running_apps: Arc<RwLock<HashMap<String, RunningApp>>>,
    pub dock_items: Arc<RwLock<Vec<DockItem>>>,
    pub layer_manager: Arc<RwLock<LayerManager>>,
    pub ipc_service: Arc<RwLock<IPCService>>,
    pub kuikly_service: Arc<Mutex<KuiklyService>>,
    pub desktop_background_window: Option<u64>,
    pub main_loop_thread: Option<thread::JoinHandle<()>>,
}

impl DesktopEnvironment {
    // 创建新的桌面环境实例
    pub fn new(config: DesktopEnvironmentConfig, ipc_service: IPCService, kuikly_service: KuiklyService) -> Self {
        let config = Arc::new(RwLock::new(config));
        let app_registry = Arc::new(RwLock::new(HashMap::new()));
        let running_apps = Arc::new(RwLock::new(HashMap::new()));
        let dock_items = Arc::new(RwLock::new(Vec::new()));
        let layer_manager = Arc::new(RwLock::new(LayerManager::new()));
        let ipc_service = Arc::new(RwLock::new(ipc_service));
        let kuikly_service = Arc::new(Mutex::new(kuikly_service));

        Self {
            initialized: false,
            running: false,
            config,
            app_registry,
            running_apps,
            dock_items,
            layer_manager,
            ipc_service,
            kuikly_service,
            desktop_background_window: None,
            main_loop_thread: None,
        }
    }

    // 初始化桌面环境
    pub fn initialize(&mut self) -> Result<(), DesktopEnvironmentError> {
        if self.initialized {
            info!("Desktop environment already initialized");
            return Ok(());
        }

        // 初始化图层管理器
        self.initialize_layer_manager()?;

        // 创建桌面背景
        self.create_desktop_background()?;

        // 初始化应用程序注册表
        self.initialize_app_registry()?;

        // 初始化Dock
        self.initialize_dock()?;

        self.initialized = true;
        info!("Desktop environment initialized successfully");

        Ok(())
    }

    // 初始化图层管理器
    fn initialize_layer_manager(&mut self) -> Result<(), DesktopEnvironmentError> {
        let mut layer_manager = self.layer_manager.write().map_err(|_| {
            DesktopEnvironmentError::InitializationFailed
        })?;

        // 添加默认图层
        layer_manager.add_layer("Background");
        layer_manager.add_layer("Desktop Icons");
        layer_manager.add_layer("Applications");
        layer_manager.add_layer("Panel");
        layer_manager.add_layer("Dock");
        layer_manager.add_layer("Notifications");

        Ok(())
    }

    // 创建桌面背景
    fn create_desktop_background(&mut self) -> Result<(), DesktopEnvironmentError> {
        // 获取主显示器尺寸
        let (width, height) = self.get_primary_monitor_size()?;

        // 创建桌面背景窗口
        let window_id = self.create_window(0, 0, width, height, "Desktop Background")?;
        self.desktop_background_window = Some(window_id);

        info!("Created desktop background window: {}, size: {}x{}", window_id, width, height);

        // 设置桌面背景图片
        let config = self.config.read().map_err(|_| {
            DesktopEnvironmentError::OperationFailed
        })?;
        if !config.wallpaper_path.is_empty() {
            self.set_wallpaper(&config.wallpaper_path)?;
        }

        Ok(())
    }

    // 获取主显示器尺寸（模拟实现）
    fn get_primary_monitor_size(&self) -> Result<(u32, u32), DesktopEnvironmentError> {
        // 在实际实现中，这里会调用系统API获取主显示器尺寸
        // 为了简化，我们返回一个默认值
        Ok((1920, 1080))
    }

    // 创建窗口（模拟实现）
    fn create_window(&self, x: i32, y: i32, width: u32, height: u32, title: &str) -> Result<u64, DesktopEnvironmentError> {
        // 在实际实现中，这里会调用系统API创建窗口
        // 为了简化，我们返回一个模拟的窗口ID
        let window_id = rand::random::<u64>();
        info!("Created window: {}, title: {}, position: ({}, {}), size: {}x{}",
              window_id, title, x, y, width, height);

        Ok(window_id)
    }

    // 初始化应用程序注册表
    fn initialize_app_registry(&mut self) -> Result<(), DesktopEnvironmentError> {
        let mut app_registry = self.app_registry.write().map_err(|_| {
            DesktopEnvironmentError::InitializationFailed
        })?;

        // 添加示例应用程序
        let browser_app = AppInfo {
            app_id: "browser".to_string(),
            name: "Web Browser".to_string(),
            icon_path: "icons/browser.png".to_string(),
            executable_path: "/usr/bin/browser".to_string(),
            description: "Web browser application".to_string(),
            category: "Internet".to_string(),
        };

        let files_app = AppInfo {
            app_id: "files".to_string(),
            name: "File Manager".to_string(),
            icon_path: "icons/files.png".to_string(),
            executable_path: "/usr/bin/files".to_string(),
            description: "File manager application".to_string(),
            category: "System".to_string(),
        };

        let terminal_app = AppInfo {
            app_id: "terminal".to_string(),
            name: "Terminal".to_string(),
            icon_path: "icons/terminal.png".to_string(),
            executable_path: "/usr/bin/terminal".to_string(),
            description: "Terminal emulator".to_string(),
            category: "System".to_string(),
        };

        let calculator_app = AppInfo {
            app_id: "calculator".to_string(),
            name: "Calculator".to_string(),
            icon_path: "icons/calculator.png".to_string(),
            executable_path: "/usr/bin/calculator".to_string(),
            description: "Calculator application".to_string(),
            category: "Utilities".to_string(),
        };

        // 将应用程序添加到注册表
        app_registry.insert(browser_app.app_id.clone(), browser_app);
        app_registry.insert(files_app.app_id.clone(), files_app);
        app_registry.insert(terminal_app.app_id.clone(), terminal_app);
        app_registry.insert(calculator_app.app_id.clone(), calculator_app);

        info!("Initialized app registry with {} applications", app_registry.len());

        Ok(())
    }

    // 初始化Dock
    fn initialize_dock(&mut self) -> Result<(), DesktopEnvironmentError> {
        let mut dock_items = self.dock_items.write().map_err(|_| {
            DesktopEnvironmentError::InitializationFailed
        })?;

        // 添加默认Dock项
        dock_items.push(DockItem {
            item_type: DockItemType::App("browser".to_string()),
            position: 0,
            visible: true,
            hovered: false,
        });

        dock_items.push(DockItem {
            item_type: DockItemType::App("files".to_string()),
            position: 1,
            visible: true,
            hovered: false,
        });

        dock_items.push(DockItem {
            item_type: DockItemType::App("terminal".to_string()),
            position: 2,
            visible: true,
            hovered: false,
        });

        // 添加工作区切换器
        dock_items.push(DockItem {
            item_type: DockItemType::WorkspaceSwitcher,
            position: 3,
            visible: true,
            hovered: false,
        });

        // 添加垃圾桶
        dock_items.push(DockItem {
            item_type: DockItemType::Trash,
            position: 4,
            visible: true,
            hovered: false,
        });

        info!("Initialized dock with {} items", dock_items.len());

        // 通知Kuikly服务创建Dock栏
        self.kuikly_service.lock().map_err(|_| {
            DesktopEnvironmentError::OperationFailed
        })?
        .create_dock()
        .map_err(|e| {
            DesktopEnvironmentError::KuiklyError(e)
        })?;

        Ok(())
    }

    // 启动桌面环境
    pub fn start(&mut self) -> Result<(), DesktopEnvironmentError> {
        if !self.initialized {
            info!("Desktop environment not initialized, initializing now");
            self.initialize()?;
        }

        if self.running {
            info!("Desktop environment already running");
            return Ok(());
        }

        // 创建主循环线程
        let ipc_service_clone = self.ipc_service.clone();
        let kuikly_service_clone = self.kuikly_service.clone();
        let config_clone = self.config.clone();

        let main_loop_thread = thread::Builder::new()
            .name("desktop-main-loop".to_string())
            .spawn(move || {
                info!("Desktop environment main loop started");
                
                // 主循环（简化版）
                let mut running = true;
                while running {
                    // 检查是否需要退出主循环
                    let config = config_clone.read().unwrap();
                    if !config.running {
                        running = false;
                        break;
                    }
                    drop(config);

                    // 在实际实现中，这里会处理事件、更新状态等
                    // 为了简化，我们只添加一个短暂的睡眠
                    thread::sleep(std::time::Duration::from_millis(10));
                }

                info!("Desktop environment main loop stopped");
            })
            .map_err(|e| {
                DesktopEnvironmentError::ThreadError(e.to_string())
            })?;

        self.main_loop_thread = Some(main_loop_thread);
        self.running = true;

        info!("Desktop environment started successfully");

        // 通知Kuikly服务桌面环境已启动
        self.kuikly_service.lock().map_err(|_| {
            DesktopEnvironmentError::OperationFailed
        })?
        .notify_desktop_started()
        .map_err(|e| {
            DesktopEnvironmentError::KuiklyError(e)
        })?;

        Ok(())
    }

    // 停止桌面环境
    pub fn stop(&mut self) -> Result<(), DesktopEnvironmentError> {
        if !self.running {
            info!("Desktop environment not running");
            return Ok(());
        }

        // 更新配置，指示主循环退出
        let mut config = self.config.write().map_err(|_| {
            DesktopEnvironmentError::OperationFailed
        })?;
        config.running = false;
        drop(config);

        // 等待主循环线程结束
        if let Some(thread_handle) = self.main_loop_thread.take() {
            if let Err(e) = thread_handle.join() {
                error!("Failed to join main loop thread: {:?}", e);
            }
        }

        // 停止所有应用程序
        self.stop_all_apps()?;

        // 销毁桌面背景窗口
        if let Some(window_id) = self.desktop_background_window {
            self.destroy_window(window_id)?;
            self.desktop_background_window = None;
        }

        self.running = false;
        info!("Desktop environment stopped successfully");

        // 通知Kuikly服务桌面环境已停止
        self.kuikly_service.lock().map_err(|_| {
            DesktopEnvironmentError::OperationFailed
        })?
        .notify_desktop_stopped()
        .map_err(|e| {
            DesktopEnvironmentError::KuiklyError(e)
        })?;

        Ok(())
    }

    // 销毁窗口（模拟实现）
    fn destroy_window(&self, window_id: u64) -> Result<(), DesktopEnvironmentError> {
        // 在实际实现中，这里会调用系统API销毁窗口
        info!("Destroyed window: {}", window_id);
        Ok(())
    }

    // 启动应用程序
    pub fn launch_app(&self, app_id: &str) -> Result<(), DesktopEnvironmentError> {
        // 检查应用程序是否存在
        let app_registry = self.app_registry.read().unwrap();
        let app_info = match app_registry.get(app_id) {
            Some(info) => info.clone(),
            None => {
                return Err(DesktopEnvironmentError::AppNotFound);
            }
        };
        drop(app_registry);

        // 检查应用程序是否已经在运行
        let running_apps = self.running_apps.read().unwrap();
        if running_apps.contains_key(app_id) {
            return Err(DesktopEnvironmentError::AppAlreadyRunning);
        }
        drop(running_apps);

        // 创建应用程序窗口
        let window_id = self.create_window(100, 100, 800, 600, &app_info.name)?;

        // 记录应用程序正在运行
        { 
            let mut running_apps = self.running_apps.write().unwrap();
            running_apps.insert(app_id.to_string(), RunningApp {
                app_id: app_id.to_string(),
                app_info: app_info.clone(),
                window_id,
                state: AppState::Running,
                process_id: None, // 在实际实现中，这里会包含进程ID
            });
        }

        // 通知Kuikly服务应用程序已启动
        self.kuikly_service.lock().map_err(|_| {
            DesktopEnvironmentError::OperationFailed
        })?
        .notify_app_launched(app_id, window_id)
        .map_err(|e| {
            DesktopEnvironmentError::KuiklyError(e)
        })?;

        info!("Launched application: {}, window_id: {}", app_id, window_id);

        Ok(())
    }

    // 停止应用程序
    pub fn stop_app(&self, app_id: &str) -> Result<(), DesktopEnvironmentError> {
        // 查找应用程序
        let app_info_opt: Option<RunningApp> = { 
            let running_apps = self.running_apps.read().unwrap();
            running_apps.get(app_id).cloned()
        };

        let app_info = match app_info_opt {
            Some(info) => info,
            None => {
                return Err(DesktopEnvironmentError::AppNotFound);
            }
        };

        // 移除运行中的应用程序
        { 
            let mut running_apps = self.running_apps.write().unwrap();
            running_apps.remove(app_id);
        }

        // 销毁应用程序窗口
        self.destroy_window(app_info.window_id)?;

        // 更新Dock项状态
        self.update_dock_for_app(app_id, false)?;

        // 通知Kuikly服务应用程序已停止
        self.kuikly_service.lock().map_err(|_| {
            DesktopEnvironmentError::OperationFailed
        })?
        .notify_app_stopped(app_id)
        .map_err(|e| {
            DesktopEnvironmentError::KuiklyError(e)
        })?;

        info!("Stopped application: {}, window_id: {}", app_id, app_info.window_id);

        Ok(())
    }

    // 停止所有应用程序
    pub fn stop_all_apps(&self) -> Result<(), DesktopEnvironmentError> {
        let app_ids: Vec<String> = {
            let running_apps = self.running_apps.read().unwrap();
            running_apps.keys().cloned().collect()
        };

        for app_id in app_ids {
            if let Err(e) = self.stop_app(&app_id) {
                error!("Failed to stop app {}: {:?}", app_id, e);
            }
        }

        Ok(())
    }

    // 激活应用程序
    pub fn activate_app(&self, app_id: &str) -> Result<(), DesktopEnvironmentError> {
        // 查找应用程序
        let app_info_opt: Option<RunningApp> = { 
            let running_apps = self.running_apps.read().unwrap();
            running_apps.get(app_id).cloned()
        };

        match app_info_opt {
            Some(app_info) => {
                // 在实际实现中，这里会设置窗口焦点
                info!("Activating application: {}, window_id: {}", app_id, app_info.window_id);

                // 通知Kuikly服务应用程序被激活
                self.kuikly_service.lock().map_err(|_| {
                    DesktopEnvironmentError::OperationFailed
                })?
                .notify_app_activated(app_id, app_info.window_id)
                .map_err(|e| {
                    DesktopEnvironmentError::KuiklyError(e)
                })?;

                info!("Activated application: {}", app_id);

                Ok(())
            } else {
                Err(DesktopEnvironmentError::AppNotFound)
            }
        }
    }

    // 检查桌面环境是否已初始化
    pub fn is_initialized(&self) -> bool {
        self.initialized
    }

    // 检查桌面环境是否正在运行
    pub fn is_running(&self) -> bool {
        self.running
    }
}

// 实现Drop trait，确保资源被正确清理
impl Drop for DesktopEnvironment {
    fn drop(&mut self) {
        let _ = self.stop();
    }
}

// 实现桌面环境窗口事件处理器
impl DesktopEnvironment {
    // 窗口创建事件处理
    pub fn on_window_created(
        &self,
        window_id: u64,
        title: &str,
        x: i32,
        y: i32,
        width: u32,
        height: u32
    ) -> Result<(), DesktopEnvironmentError> {
        // 检查是否是桌面背景窗口
        if let Some(desktop_window) = self.desktop_background_window {
            if window_id == desktop_window {
                info!("Desktop background window created: {}", window_id);
                return Ok(());
            }
        }

        // 检查是否是已知应用程序窗口
        let running_apps = self.running_apps.read().unwrap();
        for (app_id, app) in running_apps.iter() {
            if app.window_id == window_id {
                info!("Application window created: {}, app_id: {}", window_id, app_id);

                // 更新Dock项状态
                self.update_dock_for_app(app_id, true)?;

                // 通知Kuikly服务应用程序窗口创建
                self.kuikly_service.lock().map_err(|_| {
                    DesktopEnvironmentError::OperationFailed
                })?
                .notify_app_launched(app_id, window_id)
                .map_err(|e| {
                    DesktopEnvironmentError::KuiklyError(e)
                })?;

                return Ok(());
            }
        }

        info!("Unknown window created: {}, title: {}", window_id, title);

        // 为未知窗口创建临时应用记录
        let app_id = format!("unknown-app-{}", window_id);
        let app_info = AppInfo {
            app_id: app_id.clone(),
            name: title.to_string(),
            icon_path: "icons/default.png".to_string(),
            executable_path: "".to_string(),
            description: "Unknown application".to_string(),
            category: "Unknown".to_string(),
        };

        // 记录应用程序
        { 
            let mut running_apps = self.running_apps.write().unwrap();
            running_apps.insert(app_id.clone(), RunningApp {
                app_id: app_id.clone(),
                app_info: app_info.clone(),
                window_id,
                state: AppState::Running,
                process_id: None,
            });
        }

        // 通知Kuikly服务
        self.kuikly_service.lock().map_err(|_| {
            DesktopEnvironmentError::OperationFailed
        })?
        .notify_window_created(window_id, title, x, y, width, height)
        .map_err(|e| {
            DesktopEnvironmentError::KuiklyError(e)
        })?;

        Ok(())
    }

    // 窗口销毁事件处理
    pub fn on_window_destroyed(
        &self,
        window_id: u64
    ) -> Result<(), DesktopEnvironmentError> {
        // 检查是否是桌面背景窗口
        if let Some(desktop_window) = self.desktop_background_window {
            if window_id == desktop_window {
                info!("Desktop background window destroyed: {}", window_id);
                return Ok(());
            }
        }

        // 查找并移除对应的应用程序
        let app_id_opt: Option<String> = {
            let mut running_apps = self.running_apps.write().unwrap();

            // 查找应用程序
            let app_id_opt = running_apps.iter()
                .find(|(_, app)| app.window_id == window_id)
                .map(|(app_id, _)| app_id.clone());

            // 如果找到应用程序，将其移除
            if let Some(app_id) = &app_id_opt {
                running_apps.remove(app_id);

                // 更新Dock项状态
                self.update_dock_for_app(app_id, false)?;

                // 通知Kuikly服务应用程序停止
                self.kuikly_service.lock().map_err(|_| {
                    DesktopEnvironmentError::OperationFailed
                })?
                .notify_app_stopped(app_id)
                .map_err(|e| {
                    DesktopEnvironmentError::KuiklyError(e)
                })?;
            }

            app_id_opt
        };

        // 通知Kuikly服务窗口销毁
        self.kuikly_service.lock().map_err(|_| {
            DesktopEnvironmentError::OperationFailed
        })?
        .notify_window_destroyed(window_id)
        .map_err(|e| {
            DesktopEnvironmentError::KuiklyError(e)
        })?;

        if let Some(app_id) = app_id_opt {
            info!("Application window destroyed: {}, app_id: {}", window_id, app_id);
        } else {
            info!("Unknown window destroyed: {}", window_id);
        }

        Ok(())
    }

    // 窗口移动事件处理
    pub fn on_window_moved(
        &self,
        window_id: u64,
        x: i32,
        y: i32
    ) -> Result<(), DesktopEnvironmentError> {
        // 通知Kuikly服务窗口移动
        self.kuikly_service.lock().map_err(|_| {
            DesktopEnvironmentError::OperationFailed
        })?
        .notify_window_moved(window_id, x, y)
        .map_err(|e| {
            DesktopEnvironmentError::KuiklyError(e)
        })?;

        // 检查Dock栏自动隐藏逻辑
        if self.config.read().unwrap().auto_hide_dock {
            // 在实际实现中，这里会检查窗口是否靠近Dock栏
            // 并根据需要显示/隐藏Dock栏
        }

        info!("Window moved: {} to ({}, {})", window_id, x, y);

        Ok(())
    }

    // 窗口大小改变事件处理
    pub fn on_window_resized(
        &self,
        window_id: u64,
        width: u32,
        height: u32
    ) -> Result<(), DesktopEnvironmentError> {
        // 通知Kuikly服务窗口大小改变
        self.kuikly_service.lock().map_err(|_| {
            DesktopEnvironmentError::OperationFailed
        })?
        .notify_window_resized(window_id, width, height)
        .map_err(|e| {
            DesktopEnvironmentError::KuiklyError(e)
        })?;

        info!("Window resized: {} to {}x{}", window_id, width, height);

        Ok(())
    }

    // 窗口可见性改变事件处理
    pub fn on_window_visibility_changed(
        &self,
        window_id: u64,
        visible: bool
    ) -> Result<(), DesktopEnvironmentError> {
        // 通知Kuikly服务窗口可见性改变
        self.kuikly_service.lock().map_err(|_| {
            DesktopEnvironmentError::OperationFailed
        })?
        .notify_window_visibility_changed(window_id, visible)
        .map_err(|e| {
            DesktopEnvironmentError::KuiklyError(e)
        })?;

        // 更新Dock项状态（如果需要）
        let running_apps = self.running_apps.read().unwrap();
        for (app_id, app) in running_apps.iter() {
            if app.window_id == window_id {
                self.update_dock_for_app(app_id, visible)?;
                break;
            }
        }

        info!("Window visibility changed: {}, visible: {}", window_id, visible);

        Ok(())
    }

    // 窗口焦点改变事件处理
    pub fn on_window_focus_changed(
        &self,
        window_id: u64,
        focused: bool
    ) -> Result<(), DesktopEnvironmentError> {
        // 通知Kuikly服务窗口焦点改变
        self.kuikly_service.lock().map_err(|_| {
            DesktopEnvironmentError::OperationFailed
        })?
        .notify_window_focus_changed(window_id, focused)
        .map_err(|e| {
            DesktopEnvironmentError::KuiklyError(e)
        })?;

        // 如果窗口获得焦点，更新对应的应用程序状态
        if focused {
            let running_apps = self.running_apps.read().unwrap();
            for (app_id, app) in running_apps.iter() {
                if app.window_id == window_id {
                    self.kuikly_service.lock().map_err(|_| {
                        DesktopEnvironmentError::OperationFailed
                    })?
                    .notify_app_activated(app_id, window_id)
                    .map_err(|e| {
                        DesktopEnvironmentError::KuiklyError(e)
                    })?;
                    break;
                }
            }
        }

        info!("Window focus changed: {}, focused: {}", window_id, focused);

        Ok(())
    }

    // 更新Dock项状态
    fn update_dock_for_app(
        &self,
        app_id: &str,
        running: bool
    ) -> Result<(), DesktopEnvironmentError> {
        let mut dock_items = self.dock_items.write().unwrap();

        // 查找对应的Dock项
        for dock_item in dock_items.iter_mut() {
            if let DockItemType::App(id) = &dock_item.item_type {
                if id == app_id {
                    // 在实际实现中，这里会更新Dock项的运行状态
                    // 例如：显示/隐藏运行指示器、改变图标样式等

                    // 这里只是记录日志
                    if running {
                        info!("Updated dock item for app {}: running", app_id);
                    } else {
                        info!("Updated dock item for app {}: not running", app_id);
                    }

                    break;
                }
            }
        }

        Ok(())
    }

    // 设置桌面背景
    pub fn set_wallpaper(&mut self, wallpaper_path: &str) -> Result<(), DesktopEnvironmentError> {
        // 更新配置
        let mut config = self.config.write().unwrap();
        config.wallpaper_path = wallpaper_path.to_string();

        // 在实际实现中，这里会更新桌面背景窗口的内容
        info!("Wallpaper set to: {}", wallpaper_path);

        Ok(())
    }

    // 显示/隐藏Dock栏
    pub fn set_dock_visibility(&mut self, visible: bool) -> Result<(), DesktopEnvironmentError> {
        // 更新配置
        let mut config = self.config.write().unwrap();
        config.show_dock = visible;

        // 在实际实现中，这里会显示/隐藏Dock栏
        info!("Dock visibility set to: {}", visible);

        Ok(())
    }

    // 启用/禁用Dock栏自动隐藏
    pub fn set_dock_auto_hide(&mut self, auto_hide: bool) -> Result<(), DesktopEnvironmentError> {
        // 更新配置
        let mut config = self.config.write().unwrap();
        config.auto_hide_dock = auto_hide;

        info!("Dock auto-hide set to: {}", auto_hide);

        Ok(())
    }

    // 显示/隐藏桌面图标
    pub fn set_desktop_icons_visibility(&mut self, visible: bool) -> Result<(), DesktopEnvironmentError> {
        // 更新配置
        let mut config = self.config.write().unwrap();
        config.show_desktop_icons = visible;

        info!("Desktop icons visibility set to: {}", visible);

        Ok(())
    }

    // 启用/禁用动画效果
    pub fn set_animations_enabled(&mut self, enabled: bool) -> Result<(), DesktopEnvironmentError> {
        // 更新配置
        let mut config = self.config.write().unwrap();
        config.enable_animations = enabled;

        info!("Animations set to: {}", enabled);

        Ok(())
    }

    // 获取所有运行中的应用程序
    pub fn get_running_apps(&self) -> Vec<AppInfo> {
        let running_apps = self.running_apps.read().unwrap();
        running_apps.values()
            .filter(|app| app.state == AppState::Running)
            .map(|app| app.app_info.clone())
            .collect()
    }

    // 获取Dock项列表
    pub fn get_dock_items(&self) -> Vec<String> {
        let dock_items = self.dock_items.read().unwrap();
        dock_items.iter()
            .filter_map(|item| {
                if let DockItemType::App(app_id) = &item.item_type {
                    Some(app_id.clone())
                } else {
                    None
                }
            })
            .collect()
    }

    // 添加应用程序到Dock
    pub fn add_app_to_dock(&mut self, app_id: &str) -> Result<(), DesktopEnvironmentError> {
        // 检查应用程序是否存在
        let app_registry = self.app_registry.read().unwrap();
        if !app_registry.contains_key(app_id) {
            return Err(DesktopEnvironmentError::AppNotFound);
        }

        // 检查应用程序是否已经在Dock中
        let dock_items = self.dock_items.read().unwrap();
        if dock_items.iter().any(|item| {
            if let DockItemType::App(id) = &item.item_type {
                id == app_id
            } else {
                false
            }
        }) {
            return Err(DesktopEnvironmentError::OperationFailed);
        }

        // 添加应用程序到Dock
        let mut dock_items = self.dock_items.write().unwrap();
        let position = dock_items.len() as u32;

        dock_items.push(DockItem {
            item_type: DockItemType::App(app_id.to_string()),
            position,
            visible: true,
            hovered: false,
        });

        info!("Added application to dock: {}", app_id);

        Ok(())
    }

    // 从Dock移除应用程序
    pub fn remove_app_from_dock(&mut self, app_id: &str) -> Result<(), DesktopEnvironmentError> {
        // 查找并移除Dock项
        let mut dock_items = self.dock_items.write().unwrap();
        let initial_len = dock_items.len();

        dock_items.retain(|item| {
            if let DockItemType::App(id) = &item.item_type {
                id != app_id
            } else {
                true
            }
        });

        if dock_items.len() == initial_len {
            return Err(DesktopEnvironmentError::AppNotFound);
        }

        // 更新剩余Dock项的位置
        for (i, item) in dock_items.iter_mut().enumerate() {
            item.position = i as u32;
        }

        info!("Removed application from dock: {}", app_id);

        Ok(())
    }
}